package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShopCartMapper {
    @Select("select * from shopping_cart where (dish_id=#{dishId} or setmeal_id=#{setmealId}) and user_id=#{userId}")
    ShoppingCart getById(ShoppingCart shoppingCart);

    @Insert("insert into shopping_cart(name,image,user_id,dish_id,setmeal_id,dish_flavor,number,amount,create_time)" +
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void add(ShoppingCart shoppingCart);

    @Update("update shopping_cart set number=number+1 where  (dish_id=#{dishId} or setmeal_id=#{setmealId}) and user_id=#{userId}")
    void updateCountById(ShoppingCart shoppingCart);

    @Select("select * from shopping_cart where user_id=#{userId}")
    List<ShoppingCart> listById(long userId);

    @Delete("delete from shopping_cart where user_id=#{userId}")
    void clean(long userId);

    @Update("update shopping_cart set number=number-1 where  (dish_id=#{dishId} or setmeal_id=#{setmealId}) and user_id=#{userId}")
    void reduceCount(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where id=#{id}")
    void delOne(Long id);

    @Select("select * from shopping_cart where user_id=#{userId}")
    List<ShoppingCart> getByUserId(Long userId);

    void addBatch(List<ShoppingCart> shoppingCartList);
}
